He opens his mouth only to close it again, his eyes moving back and forth over the table. This is a hard story to tell because he still hasn't pinned down how he feels about what happened, yes, still; he's moved on, and he knows he needs Cas regardless of whatever betrayal happened, whatever Cas turned into, and really that had been the biggest hurdle. Just embracing the idea that he can't write off what Cas did as being part of some inhuman, monster-style thing, the kinds of things he hunts.

"Someone, um. Someone opened up a portal to Purgatory and absorbed all the souls inside. Then they tried to spit 'em all back in, but the Leviathan hung on, and when he couldn't hold 'em all anymore, they burst out. Escaped. Went everywhere."

Casually leaving out large chunks of that story. He frowns at his sandwich, then busies his hands and his mouth with taking a drink.